Sudden death of Car Battery

Though the magnet switch activating noise is discerned, starter does not show any sign to rotate at all, so, the battery was replaced into new genuine one at an incredibly high price, 38,000 yen. Looking for the alternatives in the Web site, about 16,000 yen is the standardized price, how come more than twice?
Anyway, charging ceremony was performed after that as usual, the voltage does not rise up to 13,75 volt however long the charging period of time might be prolonged, it means that one of cell must be shorted and dead completely.
Because the maintenance services have been performed at Audi factory following their advice, battery periodical checking and some adequate replacement must have been done, but this time, irreversible battery fault happened.
There must be any problem in the Quality Control of the battery production.
We should choose the domestic manufacturer such as Panasonic Caos the most reliable one. Otherwise the same threatening fear might happen if the we had done with the same one. Even in the car battery production, there exists apparent difference in the physical performance and the reliability between them, because the standardization of the product in our country is more sever than foreign ones, the difference of the depth in researching and development procedure, we are just different.